Medium severity · published Apr 24, 2026
CVE-2026-42095
bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL
4.0
CVSS
0.2%
EPSS
No
On KEV
Description
bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
Arianna · KDE
before 26.04.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42095
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42095
github.com
https://github.com/KDE/arianna/tags
invent.kde.org
https://invent.kde.org/graphics/arianna/-/commit/3cd56fce103ab62887c5592827d78a1197cd926a
invent.kde.org
https://invent.kde.org/graphics/arianna/-/commit/485851d25de279a9d2711d3780443530e9851300
kde.org
https://kde.org/info/security/advisory-20260424-1.txt